Registration number (WIID)Project No.TitleStatus
52988EN 61557-2:1997Electrical safety in low voltage distribution systems up to 1 kV a.c. and 1,5 kV d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 2: Insulation resistanceAtcelts
52988LVS EN 61557-2:2002Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 2: Insulation resistanceAtcelts
52853EN 61557-5:1997Electrical safety in low voltage distribution systems up to 1 kV a.c. and 1,5 kV d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 5: Resistance to earthAtcelts
52853LVS EN 61557-5:2002Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 5: Resistance to earthAtcelts
52425prEN 50197-5Measuring and monitoring equipment for testing the electrical safety in low-voltage distribution systems up to 1 kV a.c. and 1,5 kV d.c. - Part 5: Equipment for measuring resistance to earthIzstrādē
52303LVS EN 60051-9:2002 +A1 +A2Direct acting indicating analogue electrical measuring instruments and their accessories - Part 9: Recommended test methodsAtcelts
52178LVS EN 60051-5:2002Direct acting indicating analogue electrical measuring instruments and their accessories - Part 5: Special requirements for phase meters, power factor meters and synchroscopesAtcelts
52086HD 233 S1:1977Recommendations for direct acting indicating electrical measuring instruments and their accessoriesAtcelts
52086LVS HD 233 S1:1977Recommendations for direct acting indicating electrical measuring instruments and their accessoriesAtcelts
51676LVS EN 61557-4:2007Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 4: Resistance of earth connection and equipotential bondingAtcelts
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